CVE-2023-7221
TOTOLINK T6 Firmware vulnerability
- Published9 Jan 2024
Description
A vulnerability was found in Totolink T6 4.1.9cu.5241_B20210923. It has been classified as critical. This affects the function main of the file /cgi-bin/cstecgi.cgi?action=login of the component HTTP POST Request Handler. The manipulation of the argument v41 leads to buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-249855. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
CVSS 3.1 breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HAffected products
Remediation
No fixed version is recorded in the NVD data. Check the vendor advisory for the latest guidance.
Frequently asked
Is CVE-2023-7221 being actively exploited?
CVE-2023-7221 is not in the CISA KEV catalog. Its EPSS exploit probability is 1.52%.
How severe is CVE-2023-7221?
CVE-2023-7221 has a CVSS 3.1 base score of 9.8, rated critical. EPSS estimates a 1.52% probability of exploitation.
Which products are affected by CVE-2023-7221?
Affected products include TOTOLINK T6 Firmware.
How do I fix CVE-2023-7221?
Apply the vendor's patch or advisory guidance, then verify no affected versions remain across your devices.
How Secuno handles this
Secuno correlates vulnerabilities like CVE-2023-7221 against the real software inventory on every managed device, as each hourly inventory arrives. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.
Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.